/Engine/Plugins/Runtime/Database/DatabaseSupport/Source/DatabaseSupport/Public/Database.h
Returns the set of column names for this Recordset. This is useful for determining what you can actually ask the record set for without having to hard code those ahead of time.
virtual [TArray](API\Runtime\Core\Containers\TArray)< [FDatabaseColumnInfo](API\Plugins\DatabaseSupport\FDatabaseColumnInfo) > GetColumnNames() const